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经营范围
发明名称
Improvements in or relating to roller blinds
摘要
申请公布号
GB648033(A)
申请公布日期
1950.12.28
申请号
GB19480029165
申请日期
1948.11.10
申请人
THE LAYCOCK ENGINEERING COMPANY LIMITED
发明人
HEATH ALBERT HENRY
分类号
E06B9/90
主分类号
E06B9/90
代理机构
代理人
主权项
地址
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